GB/T 21151-2025 Main axial fan for coal mine—Technical specification

GB/T 21151-2007 Technical specification of main axial fan-mine

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB 755-2000 Rotating electrical machines—Rating and performance GB/T 755-2008 Rotating electrical machines—Rating and performance GB/T 755-2019 Rotating electrical machines—Rating and performance GB/T 755-2025 Rotating electrical machines—Rating and performance GB/T 755.2-2003 Methods for determining losses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles) GB/T 1236-2000 Industrial fans—Performance testing using standardized airways GB/T 1236-2017 Industrial fan—Performance testing using standardized airways GB/T 2888-1991 Methods of noise measurement for fans, blowers compressors and Roots blowers GB/T 2888-2008 Methods of noise measurement for fans blowers compressors and Roots blowers GB/T 3235-1999 Basic types sizes parameters and characteristics of fans GB/T 3235-2008 Basic types sizes parameters and characteristies curve of fans GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres—Part 2:Flameproof enclosure “d” GB 3836.2-2010 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures "d" GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d” GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres—Part 4:Intrinsic safety“i” GB 3836.4-2010 Explosive atmospheres—Part 4:Equipment protection by intrinsic safety "i" GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” GB/T 6391-1995 Rolling bearings—Dynamic load ratings and rating life GB/T 6391-2003 Rolling bearings—Dynamic load ratings and rating life GB/T 6391-2010 Rolling bearings—Dynamic load ratings and rating life GB/T 9438-1999 Aluminium alloy castings GB/T 9438-2013 Aluminum alloy castings GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 10111-1988 Methods for random sampling by utilizing dices of random number GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality GB/T 10178-2006 Industrial fans—Performance testing in situ GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13813-2001 Testing method and judging rule of safety to friction spark of metallic material for coal mine GB/T 13813-2008 Testing method and judging rule of safety to friction spark of metallic material for coal mine GB/T 13813-2023 Testing method and judging rule of safety to friction spark of metallic material for coal mine GB/T 19074-2003 Industrial fans—Mechanical safety of fans—Guarding GB/T 19075-2003 Industrial fans—Vocabulary and definitions of categories GB/T 19075.2-2025 Fans—Vocabulary and definitions of categories—Part 2:Categories GB/T 32249-2015 Aluminum and aluminum-alloy die forgings,hand forgings and rolled ring forgings—General specification GB/T 41973-2022 Industrial fans—Specifications for balance quality and vibration levels AQ 1043-2007 Mining Product Safety Mark Identification JB/T 2977-2005 Industrial fan, blower, and compressor terminology JB/T 6444-2019 Fan packaging general technical specification JB/T 6444-2004 Fan packaging general technical specification JB/T 6886-2010 Fan Painting Technical Conditions JB/T 6886-1993 Fan painting technical specification JB/T 6886-1993 JB/T 6887-2022 Fan-used cast iron parts technical specifications JB/T 6887-2004 Technical condition of cast iron for fans blower and compressors JB/T 6891-2017 Fan silencer technical specification JB/T 6891-2004 Fan silencer technical specification JB/T 8689-2014 Ventilation fan vibration detection and its limit value JB/T 8689-1998 Ventilation fan vibration detection and its limit value JB/T 8690-2014 Fan noise limit value JB/T 8690-1998 JB/T 8690-1998 Noise Limit for Industrial Ventilators JB/T 9101-2014 Fan rotor balancing JB/T 9101-1999 Fan rotor balancing JB/T 9147-1999 JB/T 9147-1999 diaphragm coupling。 JB/T 9147-2025 Flap disc coupling JB/T 10213-2014 Ventilation fan Welding quality inspection technical specification JB/T 10213-2000 Fan Welding Quality Inspection Specification JB/T 10214-2014 Ventilator and riveting parts technical specification JB/T 10214-2000 JBT 10214-2000 Ventilator - Molder welding parts technical specification MT 113-1995 Flame and Electrostatic Resistance Test Method and Criteria for Polymer Products Used in Coal Mine Underground Workplaces NB/T 10168-2019 Mine main ventilation fan online monitoring system general technical specification